package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.HashMap;
import java.util.Map;

@Mapper
public interface UserMapper {
    /*
    * 根据openid查询用户
    * @param openid
    * @return
    * */
    @Select("select * from user where openid = #{openid}")
    User getByOpenid(String openid);

    /*
    * 插入数据
    * @param user
    * */
    void insert(User user);

    @Select("select * from user where id = #{userId}")
    User getById(Long userId);

    /*
    * 根据动态条件统计用户数量
    *
    * */
    Integer countByMap(Map map);
}
